Add OrderRecord model

uncloud/uncloud_pay/migrations/0012_orderrecord.py

@@ -0,0 +1,25 @@
+# Generated by Django 3.0.3 on 2020-03-01 16:04
+
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_pay', '0011_auto_20200229_1459'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='OrderRecord',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('setup_fee', models.DecimalField(decimal_places=2, default=0.0, max_digits=10, validators=[django.core.validators.MinValueValidator(0)])),
+                ('recurring_price', models.DecimalField(decimal_places=2, default=0.0, max_digits=10, validators=[django.core.validators.MinValueValidator(0)])),
+                ('description', models.TextField()),
+                ('order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_pay.Order')),
+            ],
+        ),
+    ]

uncloud/uncloud_pay/models.py

@@ -98,12 +98,25 @@ class Order(models.Model):
 
     @property
     def amount(self):
-        #     amount = recurring_price
-        #     if recurring and first_month:
-        #         amount += one_time_price
+        records = OrderRecord.objects.filter(order=self)
+        return 1
 
-        amount=1
-        return amount
+class OrderRecord(models.Model):
+    order = models.ForeignKey(Order, on_delete=models.CASCADE)
+    setup_fee = models.DecimalField(default=0.0,
+            max_digits=AMOUNT_MAX_DIGITS,
+            decimal_places=AMOUNT_DECIMALS,
+            validators=[MinValueValidator(0)])
+    recurring_price = models.DecimalField(default=0.0,
+            max_digits=AMOUNT_MAX_DIGITS,
+            decimal_places=AMOUNT_DECIMALS,
+            validators=[MinValueValidator(0)])
+
+    description = models.TextField()
+
+    @property
+    def recurring_period(self):
+        return self.order.recurring_period
 
 class PaymentMethod(models.Model):
     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)